/*******************************************************************************
* Copyright 2007-2013 See AUTHORS file.
 * 
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* 
*   http://www.apache.org/licenses/LICENSE-2.0
* 
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package xworker.dataObject;

import org.xmeta.ActionContext;
import org.xmeta.Bindings;
import org.xmeta.Thing;
import org.xmeta.World;

public class RelationDataObjectCreator {
    public static Object query(ActionContext actionContext){
        Thing theData = (Thing) actionContext.get("theData");
        World world = World.getInstance();
        
        Thing desc = theData.getDescriptor();
        Thing thing = world.getThing(desc.getString("dataObjectPath"));
        if(thing != null){
            Bindings bindings = actionContext.push(null);
            try{
                bindings.put("theData", new DataObject(thing));
                return thing.doAction("query", actionContext);
            }finally{
                actionContext.pop();
            }
        }else{
            return null;
        }
    }

}